Early Times ReportSrinagar, Sept 10: Pakistani troops on Sunday fired shots at an Indian security post in Karnah in Kupwara district along the Line of Control in Jammu and Kashmir, said Indian officialsNo casualties were reported. Pakistani troops from Ziarat post used small arms at Indian Army's Black Rock post at 8.00 pm on Sunday and violated ceasefire, the officials said on Monday."In retaliation, Indian Army at Black Rock also fired on Pakistani post. The firing was going on from both sides," the officials said.